Nasal interface base



FIG. 1 is a top rear left side perspective view a nasal interface base showing our design in a position of use.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate the environment of the nasal interface base and form no part of the claimed design. 

CLAIM The ornamental design for a nasal interface base, as shown and described. 